Fuel Tank Temperature Sensor

Remove fuel level sensor unit.
Check resistance between "fuel level sensor unit and fuel pump" terminals 4 and 2 by heating with hot water or heat gun as shown in the figures.

Fig 1: Checking Resistance Between "Fuel Level Sensor Unit & Fuel Pump" Terminals 4 & 2 (1 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Resistance Between "Fuel Level Sensor Unit & Fuel Pump" Terminals 4 & 2 (2 Of 2)
Courtesy of NISSAN MOTOR CO., U.S.A.